package cn.tedu.jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

/**
 * 注销用户功能：JDBC执行DML语句[DELETE]
 *请输入用户名：Tony
 *
 */
public class JDBCDemo3 {
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3308/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "123456"
        );
        Statement statement = connection.createStatement();
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入要删除的用户名");
        String username = scanner.nextLine();
        String sql = "DELETE FROM userinfo WHERE username='"+username+"'";
        int i = statement.executeUpdate(sql);
        if (i>0){
            System.out.println("注销成功");
        }else {
            System.out.println("注销失败");
        }
        connection.close();

    }
}
